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Finding the Fourth Proportional to 352,171.40, 528,602.70 and 174,878.60

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Solution

The fourth proportional to 352,171.40, 528,602.70 and 174,878.60 is: 262,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,171.40 : 528,602.70 = 174,878.60 : x
  2. Step 2: Convert to fraction form
    352,171.40/528,602.70 = 174,878.60/x
  3. Step 3: Cross multiply
    352,171.40x = 528,602.70 × 174,878.60
  4. Step 4: Simplify right side
    352,171.40x = 92,441,300,132.22
  5. Step 5: Solve for x
    x = 92,441,300,132.22/352,171.40
  6. Step 6: Final answer
    x = 262,489.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.